<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar
      fixed
      title="文章详情"
      left-arrow
      @click-left="$router.back()"
    />
    <van-loading v-if="artObj.title === undefined" size="0.64rem" class="loading" color="#1989fa"
      >文章拼命加载中...</van-loading
    >
    <!-- 文章信息区域 -->
    <div v-else>
      <div class="article-container">
        <!-- 文章标题 -->
        <h1 class="art-title">{{ artObj.title }}</h1>

        <!-- 用户信息 -->
        <van-cell
          center
          :title="artObj.aut_name"
          :label="getFormateTime(artObj.pubdate)"
        >
          <template #icon>
            <img :src="artObj.aut_photo" alt="" class="avatar" />
          </template>
          <template #default>
            <div>
              <van-button
                v-if="artObj.is_followed"
                type="info"
                size="mini"
                @click="followingFn(false)"
                >已关注</van-button
              >
              <van-button
                icon="plus"
                v-else
                type="info"
                size="mini"
                plain
                @click="followingFn(true)"
                >关注</van-button
              >
            </div>
          </template>
        </van-cell>

        <!-- 分割线 -->
        <van-divider></van-divider>

        <!-- 文章内容 -->
        <div class="art-content" v-html="artObj.content"></div>

        <!-- 分割线 -->
        <van-divider>End</van-divider>

        <!-- 点赞 -->
        <div class="like-box">
          <van-button
            icon="good-job"
            type="danger"
            size="small"
            v-if="artObj.attitude === 1"
            @click="loveFn(false)"
            >取消点赞</van-button
          >
          <van-button
            icon="good-job-o"
            v-else
            type="danger"
            plain
            size="small"
            @click="loveFn(true)"
            >点赞</van-button
          >
        </div>
      </div>
      <!-- artId是网络请求回来的 -->
      <CommentList :artId="artObj.art_id" v-if="artObj.art_id"></CommentList>
    </div>
  </div>
</template>

<script>
import {
  articleDetailsAPI,
  unFollowingAuthorAPI,
  followingAuthorAPI,
  articleLikingsAPI,
  articleDisLikingsAPI
} from '@/api'
// 导入时间格式化函数
import { getFormateTime } from '@/utils/date'
import CommentList from './CommentList.vue'
import { MyNotify } from '@/utils/Notify'
export default {
  name: 'ArticleDetail',
  data () {
    return {
      artObj: {}, // 文章列表
      atShow: '' // 是否显示
    }
  },
  methods: {
    // 注册 时间格式化
    getFormateTime,
    async followingFn (bool) {
      if (bool === true) {
        // 关注
        this.artObj.is_followed = true
        await followingAuthorAPI({ target: this.artObj.aut_id })
      } else {
        // 不关注
        this.artObj.is_followed = false
        await unFollowingAuthorAPI({ uid: this.artObj.aut_id })
      }
    },
    async loveFn (bool) {
      if (bool === true) {
        // 点赞
        this.artObj.attitude = 1
        await articleLikingsAPI({
          target: this.artObj.art_id
        })
      } else {
        // 取消点赞
        this.artObj.attitude = -1
        await articleDisLikingsAPI({
          aid: this.artObj.art_id
        })
      }
    }
  },
  components: {
    CommentList
  },
  async created () {
    try {
      const res = await articleDetailsAPI({ id: this.$route.params.aid })
      console.log(res)
      this.artObj = res.data.data
    } catch (error) {
      // console.log(error)
      if (error.response.status === 404) {
        MyNotify({ type: 'warning', message: '文章不存在' })
        setTimeout(() => {
          this.$router.back()
        }, 2000)
      }
    }
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
  /deep/ img {
    width: 100%;
  }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}
.loading {
  margin-top: 46px;
  text-align: center;
}
.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
